[PATCH 6/8] x86: Fix 64-bit compile warning

Park, Aiden aiden.park at intel.com
Wed Apr 29 08:08:33 CEST 2020


Hi Simon,

> -----Original Message-----
> From: Simon Glass <sjg at chromium.org>
> Sent: Sunday, April 26, 2020 12:46 PM
> To: Park, Aiden <aiden.park at intel.com>
> Cc: Bin Meng <bmeng.cn at gmail.com>; U-Boot Mailing List <u-
> boot at lists.denx.de>
> Subject: Re: [PATCH 6/8] x86: Fix 64-bit compile warning
> 
> Hi Aiden,
> 
> On Tue, 21 Apr 2020 at 18:45, <aiden.park at intel.com> wrote:
> >
> > From: Aiden Park <aiden.park at intel.com>
> >
> > This is to fix pointer type cast warning in hob command.
> >
> > Signed-off-by: Aiden Park <aiden.park at intel.com>
> > ---
> >  cmd/x86/hob.c | 8 ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/cmd/x86/hob.c b/cmd/x86/hob.c index
> > 3967a7ca5a..8c2c1ffc63 100644
> > --- a/cmd/x86/hob.c
> > +++ b/cmd/x86/hob.c
> > @@ -36,14 +36,14 @@ static int do_hob(cmd_tbl_t *cmdtp, int flag, int
> > argc, char * const argv[])
> >
> >         hdr = gd->arch.hob_list;
> >
> > -       printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
> > +       printf("HOB list address: 0x%p\n\n", hdr);
> 
> That 0x should not be there as hex is assumed in U-Boot.
Thanks. Let me remove the 0x prefix.

> 
> Do we actually need a 64-bit pointer here, or will the HOB be below 4GB? I'm
> really not a fan of 16-character addresses in a user command.
Currently, HOB is always below 4GB. This was just in case for 64-bit address space.
Let me assume HOB < 4GB for now.

> 
> >
> > -       printf("#  | Address  | Type      | Len  | ");
> > +       printf("#  |          Address | Type      | Len  | ");
> >         printf("%36s\n", "GUID");
> > -       printf("---|----------|-----------|------|-");
> > +       printf("---|------------------|-----------|------|-");
> >         printf("------------------------------------\n");
> >         while (!end_of_hob(hdr)) {
> > -               printf("%02x | %08x | ", i, (unsigned int)hdr);
> > +               printf("%02x | %p | ", i, hdr);
> >                 type = hdr->type;
> >                 if (type == HOB_TYPE_UNUSED)
> >                         desc = "*Unused*";
> > --
> > 2.20.1
> >
> 
> Regards,
> Simon

Best Regards,
Aiden


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